Performance of a nano-CNC machined 220-GHz traveling wave tube amplifier
We report on hot test measurements of a wide-bandwidth, 220-GHz sheet beam traveling
wave tube amplifier developed under the Defense advanced research projects agency …
wave tube amplifier developed under the Defense advanced research projects agency …
Nano-CNC machining of sub-THz vacuum electron devices
D Gamzina, LG Himes, R Barchfeld… - … on Electron Devices, 2016 - ieeexplore.ieee.org
Nano-computer numerical control (CNC) machining technology is employed for the
fabrication of sub-THz (100-1000 GHz) vacuum electron devices. Submicron feature …
fabrication of sub-THz (100-1000 GHz) vacuum electron devices. Submicron feature …
Design and analysis of the staggered double grating slow wave circuit for 263 GHz sheet beam TWT
The complete design process of a high-frequency circuit for a 263 GHz staggered double
grating, sheet beam traveling wave tube is presented in this article. This device, for use in a …
grating, sheet beam traveling wave tube is presented in this article. This device, for use in a …
Design and Cold Test of Flat-Roofed Sine Waveguide Circuit for W-Band Traveling-Wave Tube
S Fang, J Xu, Y Hairong, P Yin, X Lei… - … on Plasma Science, 2020 - ieeexplore.ieee.org
The W-band flat-roofed sine waveguide (SWG) slow wave circuit was designed and
processed in this article. Considering the limitations on present practical fabrication level …
processed in this article. Considering the limitations on present practical fabrication level …
0.2-THz dual mode sheet beam traveling wave tube
Equipping the adjustable horizontal focusing electrodes (FEs), a dual mode electron gun
providing different current beams, has been proposed and evaluated. Employing this …
providing different current beams, has been proposed and evaluated. Employing this …
Thermo-mechanical stress in high-frequency vacuum electron devices
Abstract Analysis of the thermo-mechanical performance of high-frequency vacuum electron
devices is essential to the advancement of RF sources towards high-power generation …
devices is essential to the advancement of RF sources towards high-power generation …
High emission current density electron gun for a 263 GHz sheet beam traveling wave tube
The design and testing of an electron gun for a 263 GHz sheet beam traveling wave tube is
described. An elliptical cathode emits a 0.1518 A electron beam with 40 A/cm 2 loading. The …
described. An elliptical cathode emits a 0.1518 A electron beam with 40 A/cm 2 loading. The …